Polymer surface functionalization using a new µ-wave driven atmospheric pressure plasma-jet device
V. Faldu1, O. Beier1, A. Pfuch1, K. Horn1, J. Zender2, D. Wolf2, T. Filler2, W. Heinrich2, U. Winterwerber2, N. Lobo Ploch2
J. Plast. Technol., vol. 19, no. 2, pp. 52-72 (2023).
A newly developed compact µ-wave plasma source was utilized for activating the surfaces of several polymers. A remarkable improvement of the surface adhesion was achieved. The plasma-treated surfaces were investigated by AFM, XPS and surface free energy measurements. Also, actual adhesion improvements were evaluated by pull-off testing of paint-coatings applied after the plasma treatment. The plasma itself was characterized by optical emission spectroscopy, gas temperature determination as well as waste gas measurements.
1 INNOVENT e.V., Jena, Germany
2 Ferdinand-Braun-Institut gGmbH, Leibniz-Institut für Höchstfrequenztechnik, Berlin, Germany
microwave plasma, atmospheric pressure plasma, plasma characterisation, polymer surface functionalisation, adhesion improvement
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